20507344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8963}}^1$

素因数の和:8995

約数の個数: 40

約数和(自身を含む): 46684512

約数和(自身を除く): 26177168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8963, 17926, 35852, 71704, 98593, 116519, 143408, 197186, 233038, 394372, 466076, 788744, 932152, 1281709, 1577488, 1864304, 2563418, 5126836, 10253672, 20507344]

約数ペア:

[(1, 20507344), (2, 10253672), (4, 5126836), (8, 2563418), (11, 1864304), (13, 1577488), (16, 1281709), (22, 932152), (26, 788744), (44, 466076), (52, 394372), (88, 233038), (104, 197186), (143, 143408), (176, 116519), (208, 98593), (286, 71704), (572, 35852), (1144, 17926), (2288, 8963)]